Skewer



FIG. 1 is a perspective view of my new design;

FIG. 2 is a cross-sectional view of my new design taken along line 2—2 of FIG. 1;

FIG. 3 is a top view of my new design; and,

FIG. 4 is a cross-section view taken along line 4—4 of FIG. 1. 

The ornamental design for a skewer, as shown and described. 